نتایج جستجو برای: observer reproducibility
تعداد نتایج: 52932 فیلتر نتایج به سال:
BACKGROUND AND PURPOSE Carotid plaque instability is an important determinant of stroke risk. There are now a number of different imaging techniques that provide information on carotid plaque morphology. However, it is unclear how they compare with one another or whether they can reliably assess plaque instability. Studies comparing imaging with pathology have shown highly variable results, eve...
PURPOSE To evaluate the reproducibility of ImageJ software in analyzing the color of the optic disc. METHODS One hundred twelve normal participants (56 males and 56 females) were enrolled in this study. The image of the optic disc was taken using Kowa digital disc photo-graphy, and the gray scales of the nasal rim (NR), brightest cupping center (BCC) and largest inferior retinal vein (IRV) we...
Because morphopathological diagnosis of tumors plays a key role in prognosis and therapeutic decisions, the reproducibility and coherence among pathologists is important. To determine the level of inter-observer variation among veterinary pathologists for the diagnosis of canine mammary gland tumors, 15 canine mammary gland tumor slides were coded and evaluated independently by 10 veterinary pa...
Background The dynamic assessment of intracardiac flow remained challenging until the recent development of timeresolved 3D phase-contrast CMR (PC-CMR), which allows for assessment of multi-dimensional whole heart and great vessel flow. Previous studies have used this technique in the ventricles to quantify flow type of the ventricle and the kinetic energy of each flow component. In the great v...
This paper delimits and analyzes the effects of the harassment perpetrated by ETA's terrorist network in the Basque Country. The aim was to provide a taxonomy of the consequences of psychological violence and to validate this taxonomy, by means of a content analysis of 37 testimonies of victims of terrorist violence. The taxonomy of consequences of psychological violence is made up by four comp...
Radiographic changes of rickets are well characterized, but no method of grading the severity of these changes has been in general use. Consequently, it is difficult to compare objectively or follow radiographic improvement. We prospectively evaluated the utility and reproducibility of a scoring method for measuring the severity of rickets. A 10-point score for radiographs of wrists and knees w...
This study evaluated the diagnostic performance of ultrasound elastography (USE) using carotid arterial pulsation and determined the reproducibility of USE for thyroid nodules. A total of 148 patients with 173 thyroid nodules participated. The mean elasticity contrast index (ECI) was significantly higher in malignant nodules (3.1 ± 1.5) than in benign nodules (1.7 ± 0.8) (p < 0.001). When a cut...
OBJECTIVE To evaluate the intra-observer reproducibility of Schatzker classification for tibial plateau fractures through smartphone applications. METHODS Radiographs were evaluated in two incidences (anteroposterior and profile) and CT slices (axial, sagittal and coronal) of 37 patients with tibial plateau fracture. Two evaluators, knee surgery experts, classified the cases by viewing the im...
The aim of this study was to assess the relationship between the enhancement patterns and clinicopathological features of gastric cancer using intravenous contrast-enhanced ultrasonography (CEUS). In this Ethics Committee-approved prospective study, five hundred fifty two patients with gastric cancer who gave informed consent were examined preoperatively with CEUS. The enhancement pattern of ea...
OBJECTIVE This study aimed to evaluate the inter- and intra observer reproducibility of the radiographic score of consolidation of the tibia shaft fractures. METHODS Fifty-one sets of radiographs in anteroposterior (AP) and profile (P) of the tibial shaft treated with intramedullary nail were obtained. The analysis of X-rays was performed in two stages, with a 21-day interval between assessme...
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